Serial Port Problems (continued)

A

Ensure proper

default serial

port configuration

Yes

Serial port

No

 

 

works OK?

 

 

Done

 

Can you

 

 

Yes

No

 

eliminate all

 

 

potential software

 

 

 

conflicts?

 

Eliminate software conflicts

Yes

Serial port

No

 

works OK?

 

Done

 

Plug another

 

 

device and cable

 

 

into serial ports

Yes

Serial port

No

 

works OK?

 

Done: Suspect

 

Done: Suspect bad

original device or

 

OB base unit serial

cable bad

 

port

38